-5x-9=18

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Solution for -5x-9=18 equation: 


Simplifying
-5x + -9 = 18

Reorder the terms:
-9 + -5x = 18

Solving
-9 + -5x = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + -5x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -5x = 18 + 9
-5x = 18 + 9

Combine like terms: 18 + 9 = 27
-5x = 27

Divide each side by '-5'.
x = -5.4

Simplifying
x = -5.4

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